The accident chain usually involves the situation which is the first chain, second would be the unsafe habit, third is unsafe action, fourth would be the accident and 5th or lastly is the result or the aftermath. The answer on the scenario would then be The Treatment.
Bone strength and density are also types of non-performance-related fitness. They are difficult to test and therefore are not often used as a measurement of how fit you are. However, the more physically active you are over a lifetime, the better your bone density.
Is there any other information
The answer to this question is D